×

Navigation control for a touch screen user interface

  • US 8,731,824 B1
  • Filed: 03/15/2013
  • Issued: 05/20/2014
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
Patent Images

1. A controller for a vehicular display which displays an image on a display screen and provides a touch screen user interface, the controller comprising:

  • a graphic overlay controller configured to control the vehicular display to present a graphic overlay surrounding and demarking a boundary of a predetermined portion of the display screen, wherein the predetermined portion of the display screen is provided at a permanent, fixed position on the display screen and is sized smaller than an image displaying portion of the display screen on which the image is displayed;

    a touch detector configured to detect a number of fingers touched to the predetermined portion of the display screen within the graphic overlay, and a direction and a distance of a simultaneous movement of all of the number of fingers in a same direction from the predetermined portion of the display screen within the graphic overlay to a position on the image displaying portion of the display screen that is outside of the graphic overlay;

    a navigation mode determiner configured to determine a navigation mode for navigating the image displayed on the display screen as one of a plurality of different navigation modes based on the number of fingers detected by the touch detector to be touched to the predetermined portion of the display screen within the graphic overlay;

    a navigation feature determiner configured to determine a navigation direction based on the direction the number of fingers is detected by the touch detector to simultaneously move in the same direction away from the predetermined portion of the display screen and the graphic overlay to the position on the image displaying portion of the display screen that is outside of the graphic overlay, and a navigation rate based on the distance the number of fingers is detected by the touch detector to simultaneously move in the same direction away from the predetermined portion of the display screen and the graphic overlay to the position on the image displaying portion of the display screen that is outside of the graphic overlay; and

    an image navigation controller configured to control the vehicular display to navigate the image displayed on the display screen according to the navigation mode determined by the navigation mode determiner, the navigation direction determined by the navigation feature determiner, and the navigation rate determined by the navigation feature determiner.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×